Coal-separator.



M.` H. REAP & 1. R. FLM/uma.

Lmmgw WIT/VESSES @www COAL SEPAHATOR.

APPLlcATloN FILED MAY 2s. 1919.

Patented Nov. 5, 1918.

A Tron/vf YS- that the separation of the materials is more and a hollow tubular supportin mast for 10 efficiently carried out when the elimination the same, said mast being provided with a of the two materials is being eeeted at the series of openings adjacent the lower inner opposite ends of what might be termed the edges of said flights for extracting the base 5 specific gravitystratieation. mineral from the mixedmaterials traveling l @mim over said flights. 15 *The combination of a` spiral separator 7-MICHAEL HENRY REAP. having a plurality of inclined spiral flights; JAMES R. FLEMING.

Copies of this patent may be obtained for ve cents each, by addressing the "Commissioner o! Patent,

' Washington, D; C. 

